Description
When you want a magazine that won't fail you, the DuraMag SS hits different. Made from 410 stainless steel instead of aluminum or polymer, this mag gives you durability that actually lasts. C Products Defense engineered it as an improved take on the classic USGI magazine, but with features built to outperform what came before.
The stainless construction means no warping in heat, no swelling in the cold, and no feed lip failures from years of loaded storage. Unlike polymer mags that can develop weak points, this DuraMag won't flex or swell no matter how long you keep it loaded. The T-360 coating wraps the inside and outside, providing corrosion resistance and smooth, slick loading that reduces friction throughout the magazine.
DuraMag SS Feeding and Geometry
Inside, you'll find the Advanced Geometry Follower (AGF) designed specifically for the 5-round capacity. It keeps every round level and stacked properly, so feed issues aren't part of the equation. The EverFlex anti-fatigue spring technology is calibrated for this capacity and delivers consistent spring tension that won't wear out over time. The follower uses a black and orange design for quick visual identification.
The Post and Hole body construction locks the two magazine halves together with precision robotics welds, creating a structure that won't expand or contract. Add the proprietary LipLock technology, and you're getting a magazine engineered to keep rounds secure and properly aligned from first round to last. Testing shows these mags handle heavy subsonic 300 Blackout rounds and standard 5.56 ammo without hesitation.
Built to Take Punishment
The weight and stainless construction actually work in your favor. Heavier magazines drop out of the magwell more reliably than lighter polymer alternatives. You can drop these loaded, step on them, and use them day in and day out without concerns about durability failing you. Reviews consistently highlight zero feed issues after extended use, and the matte black finish stays clean-looking despite the hard use.
Key Specifications
- Manufacturer: DURAMAG (C Products Defense)
- Manufacturer Part Number: 5X23041188CPD
- UPC: 766897410710
- Model: SS
- Caliber: .223 Rem / 5.56 NATO / 300 Blackout
- Capacity: 5 rounds
- Body Material: 410 Stainless Steel
- Follower: Advanced Geometry Follower (Black/Orange)
- Spring Type: EverFlex Anti-Fatigue (Chrome-Silicon)
- Finish: Matte Black (T-360 Coating)
- Length: 4.95 inches
- Construction Type: Post and Hole Body with Precision Welded Seams
- Features: LipLock Technology, T-360 Corrosion Resistance Coating
What’s Included
- 1 DuraMag SS 5-round magazine
Frequently Asked Questions
Can I leave a DuraMag SS magazine loaded for extended periods without worrying about damage?
Yes. The 410 stainless steel body won't flex or swell like polymer magazines, making it safe for long-term loaded storage indefinitely. The EverFlex spring is designed for durability across years of use, and the feed lips won't weaken or deform from extended loading pressure.
What makes the 5-round capacity useful for AR-15 owners?
A 5-round magazine is ideal for sighting in and zeroing your rifle while using a shooting bench or rest, keeping the mag low and out of the way. It's also the standard choice in states or shooting ranges with capacity restrictions, and many precision rifle shooters prefer the shorter profile for certain shooting positions.
How does the DuraMag SS compare to aluminum or polymer magazines?
Stainless steel offers durability advantages over both materials. It won't crack like some polymers when dropped or impacted, and it's more corrosion-resistant than aluminum. The extra weight actually helps magazines eject more reliably from the magwell, and there's no risk of feed lip warping or swelling that can plague lighter materials.
Does the T-360 coating wear off with use?
No. The T-360 coating bonds at the molecular level and is designed as a permanent protective layer. It decreases friction both inside and out, making loading smooth while protecting against corrosion and dirt accumulation, even with the dirtiest ammunition.





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